Aminophylline

INCI: AMINOPHYLLINE

A methylxanthine derivative studied for its potential effects on localised skin concerns

Best For Skin Types

All

Usage Frequency

As directed on product

What Is Aminophylline?

Aminophylline is a compound derived from theophylline, a natural alkaloid found in tea and coffee plants. In skincare formulations, it functions as a skin conditioning agent and surfactant, meaning it can help improve skin texture and support the stability of product formulations.

The ingredient has been investigated primarily for topical applications targeting localised concerns, though it remains relatively niche in mainstream skincare products.

How It Works

Aminophylline is a methylxanthine, a class of compounds that can penetrate the skin barrier. Once in the skin, it may influence localised processes, though the exact mechanisms in skincare remain not fully understood.

As a surfactant, it helps reduce surface tension between ingredients, allowing formulations to spread more evenly and potentially improving ingredient delivery across the skin surface.

Clinical Evidence & References

A systematic review of topical aminophylline formulations identified a small number of clinical trials examining its effects on circumference reduction in specific areas. The available evidence suggests potential activity, though the quality and quantity of studies remain limited.

Most research to date has focused on localised applications rather than broader skincare benefits. Further investigation would help establish clearer efficacy profiles and optimal usage parameters. Adverse effects reported in studies have generally been minimal, though individual tolerance may vary.

How to Use

When using products containing aminophylline, apply as directed and allow adequate time for absorption before applying other products. Patch testing is advisable if you have sensitive skin, as with any new ingredient. Results, if any, typically emerge gradually with consistent use over several weeks.

Safety & Precautions

Aminophylline is generally well-tolerated in topical formulations. Those with caffeine sensitivity should be aware that aminophylline is chemically related to caffeine, though topical exposure differs from systemic intake.

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
AMINOPHYLLINE
Function
Skin Conditioning, Surfactant

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